This one should be less divisive haha. I think the single biggest social / community feature this game needs is the Roster system needs to be applied to guilds. Its a real bummer playing your alts in a game that is so alt friendly but being cut off from your community if you do.
Guild space is also limited EXTREMELY…like 30 people starting out while this problem exists. If guilds did not have this massive restriction they could just invite alts as well.
So…one or the other please. Develop the roster system applying to guild so all your characters are in the guild automatically (or just copy it from BDO) OR remove guild member limits so that people can invite alts.